# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        博智科技  
# Name:         demo0705
# Description:
# Author:       yzl
# Date:         2019-03-09
#-------------------------------------------------------------------------------

# 7!
def fn1(i):
    print(i)
    if i == 0:
        return 1
    else:
        return i * fn1(i -1)

if __name__ == '__main__':
    ret = fn1(10)
    print(ret)


